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http://dx.doi.org/10.7840/kics.2013.38A.9.817

Performance Analysis of a Bit Mapper of the Dual-Polarized MIMO DVB-T2 System  

Kang, In-Woong (부산대학교 전자전기컴퓨터공학과 통신및신호처리연구실)
Kim, Youngmin (한국전자통신연구원 지상파방송연구실)
Seo, Jae Hyun (한국전자통신연구원 지상파방송연구실)
Kim, Heung Mook (한국전자통신연구원 지상파방송연구실)
Kim, Hyoung-Nam (부산대학교 전자공학과 통신및신호처리연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.38A, no.9, 2013 , pp. 817-825 More about this Journal
Abstract
The UHDTV system, which provides realistic service with ultra-high definite video and multi-channel audio, has been studied as a next generation broadcasting service. Since the conventional digital terrestrial transmission system is not capable to cover the increased transmission data rate of the UHDTV service, there are great necessity of researches about increase of data rate. Accordingly, the researches has been studied to increase the transmission data rate of the DVB-T2 system using dual-polarized MIMO technique and high order modulation. In order to optimize the MIMO DVB-T2 system where irregular LDPC codes are used, it is necessary to study the design of the bit mapper that matches the LDPC code and QAM symbols in MIMO channel. However, the research related to the design of the bit mapper has been limited to the SISO system. Therefore, this paper defines a new parameter that indicates the VND distribution of MIMO DVB-T2 system and performs the performance analysis according to the parameter which will be helpful for designing a MIMO bit mapper.
Keywords
Dual-polarized MIMO; DVB-T2; Bit mapper; LDPC; UHDTV;
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